I also got to play around with it with bots, and I gotta say I had a lot of fun on this. Here's my two cents though (which you should take with a grain of salt because, well, bots)
First point is really difficult for BLU to cap. The natural height advantage RED gets plus the surplus of metal present in the area makes it easy for RED engineers to safeguard the area for most if not all the round. In particular, these two sentry spots seemed to dominate (again, though, bots. Bots have a really, really tough time destroying sentry nests. Saying that, there aren't a whole lot of ways for BLU to hit these two in particular so I'm going to highlight them anyway):
This one's especially safe from soldier fire since it covers both the main entrances and actually can't be sniped from the courtyard in the background.
Same deal. Sees both entrances and can't be sniped or flanked.
Not that there's anything wrong with these two areas per se, but they contribute to the difficulty of first point.
Second point's kind of the opposite deal I find, easy for BLU to cap, but I will fully blame that one on bots because, well, for some reason engie bots set up back here:
I did notice the same thing Sinchu9 noticed, though. Sightlines in this general area are a bit long and quite sniper-friendly.
Third point I don't have an awful lot to say about, because I rather liked what you did with it. The barn on the right seems a little... bare.
More a minor complaint than anything else though. ^^
Also, I really don't get these two pickups over here:
Really, really far out of the way and not worth the time it takes to pick them up where they currently lie. Maybe swap the values for the ones over on the far left of the last screenshot?
Also, I didn't understand the orange door with the death skull at all. Was there a reason for it to be there? I rubbed up against it out of curiosity to see if it would kill me, but it just seems like a really out-of-the-way easter egg as it currently lies.
Can't wait to see how you implement the fourth cp, I quite had fun with this map! ^^